Retractor



FIG. 1 is a front perspective view of a retractor in accordance with theinvention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right elevation view thereof; and,

FIG. 6 is a left elevation view thereof.

The ornamental design for a retractor, as shown and described.